diff --git a/tempest/plane/C4Plane.hpp b/tempest/plane/C4Plane.hpp
index b87acc8..13a790d 100644
--- a/tempest/plane/C4Plane.hpp
+++ b/tempest/plane/C4Plane.hpp
@@ -6,8 +6,10 @@
 class C4Plane {
     public:
     // Member variables
-    C3Vector n;
-    float d;
+    C3Vector n = { 0.0f, 0.0f, 1.0f };
+    float d = 0.0f;
+
+    C4Plane() = default;
 };
 
 #endif